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89 lines
1.9 KiB
89 lines
1.9 KiB
title "Pnp Bios Bus Extender ASM support routines"
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;++
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;
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; Copyright (c) Microsoft Corporation. All rights reserved.
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;
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; Module Name:
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;
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; pbiosa.asm
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;
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; Abstract:
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;
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; This file contains Pnp Bios ASM support routines.
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;
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; Author:
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;
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; Shie-Lin Tzong (shielint) Jan 15, 1998
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;
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; Environment:
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;
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; Kernel mode only.
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;
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; Revision History:
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;
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;--
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.386p
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.xlist
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include callconv.inc ; calling convention macros
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.list
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EXTRNP _RtlMoveMemory, 3
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EXTRNP _KeI386Call16BitCStyleFunction, 4
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PAGELK SEGMENT DWORD PUBLIC 'CODE'
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ASSUME DS:FLAT, ES:FLAT, SS:NOTHING, FS:NOTHING, GS:NOTHING
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;++
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;
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; VOID
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; PbCallPnpBiosWorker (
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; IN ULONG EntryOffset,
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; IN ULONG EntrySelector,
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; IN PUSHORT Parameters,
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; IN ULONG ParameterSize
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; );
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;
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; Routine Description:
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;
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; This routines copies the specified parameters to stack and invokes
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; Pnp Bios Entry point.
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;
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; Arguments:
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;
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; EntryOffset and EntrySelector - supplies the entry point of the bios function.
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;
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; Parameters - Supplies a pointer to argument block.
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;
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; ParameterSize - Size of the argument block
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;
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; Return Value:
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;
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; Registers/context contains the register values returned from pnp bios.
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;
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;--
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EntryOffset equ [ebp + 8]
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EntrySelector equ [ebp + 12]
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Parameters equ [ebp + 16]
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ParameterSize equ [ebp + 20]
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cPublicProc _PbCallPnpBiosWorker, 4
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push ebp
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mov ebp, esp
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sub esp, ParameterSize
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mov eax, esp
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stdCall _RtlMoveMemory, <eax, Parameters, ParameterSize>
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stdCall _KeI386Call16BitCStyleFunction, <EntryOffset, EntrySelector, Parameters, ParameterSize>
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mov esp, ebp
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pop ebp
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stdRET _PbCallPnpBiosWorker
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stdENDP _PbCallPnpBiosWorker
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PAGELK ends
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end
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